/Engine/Plugins/MovieScene/MovieRenderPipeline/Source/MovieRenderPipelineCore/Public/Graph/MovieGraphPipeline.h
Needs to be called afterInitialize(...)
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Movie Render Pipeline") void SetInitializationTime ( const [FDateTime](API\Runtime\Core\Misc\FDateTime) & InDateTime )